mirror of
https://github.com/RGBCube/serenity
synced 2025-05-22 02:55:07 +00:00
268b9c5d90
This removes a set of complex reference cycles between DOM, layout tree and browsing context. It also makes lifetimes much easier to reason about, as the DOM and layout trees are now free to keep each other alive.
63 lines
2.4 KiB
C++
63 lines
2.4 KiB
C++
/*
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* Copyright (c) 2020, Matthew Olsson <matthewcolsson@gmail.com>
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* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibGfx/Painter.h>
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#include <LibWeb/CSS/Parser/Parser.h>
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#include <LibWeb/CSS/StyleComputer.h>
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/DOM/Event.h>
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#include <LibWeb/HTML/Parser/HTMLParser.h>
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#include <LibWeb/Layout/SVGSVGBox.h>
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#include <LibWeb/SVG/AttributeNames.h>
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#include <LibWeb/SVG/SVGSVGElement.h>
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namespace Web::SVG {
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SVGSVGElement::SVGSVGElement(DOM::Document& document, DOM::QualifiedName qualified_name)
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: SVGGraphicsElement(document, qualified_name)
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{
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set_prototype(&Bindings::cached_web_prototype(realm(), "SVGSVGElement"));
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}
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JS::GCPtr<Layout::Node> SVGSVGElement::create_layout_node(NonnullRefPtr<CSS::StyleProperties> style)
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{
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return heap().allocate_without_realm<Layout::SVGSVGBox>(document(), *this, move(style));
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}
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void SVGSVGElement::apply_presentational_hints(CSS::StyleProperties& style) const
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{
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auto width_attribute = attribute(SVG::AttributeNames::width);
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if (auto width_value = HTML::parse_dimension_value(width_attribute)) {
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style.set_property(CSS::PropertyID::Width, width_value.release_nonnull());
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} else if (width_attribute == "") {
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// If the `width` attribute is an empty string, it defaults to 100%.
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// This matches WebKit and Blink, but not Firefox. The spec is unclear.
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// FIXME: Figure out what to do here.
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style.set_property(CSS::PropertyID::Width, CSS::PercentageStyleValue::create(CSS::Percentage { 100 }));
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}
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// Height defaults to 100%
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auto height_attribute = attribute(SVG::AttributeNames::height);
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if (auto height_value = HTML::parse_dimension_value(height_attribute)) {
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style.set_property(CSS::PropertyID::Height, height_value.release_nonnull());
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} else if (height_attribute == "") {
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// If the `height` attribute is an empty string, it defaults to 100%.
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// This matches WebKit and Blink, but not Firefox. The spec is unclear.
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// FIXME: Figure out what to do here.
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style.set_property(CSS::PropertyID::Height, CSS::PercentageStyleValue::create(CSS::Percentage { 100 }));
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}
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}
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void SVGSVGElement::parse_attribute(FlyString const& name, String const& value)
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{
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SVGGraphicsElement::parse_attribute(name, value);
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if (name.equals_ignoring_case(SVG::AttributeNames::viewBox))
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m_view_box = try_parse_view_box(value);
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}
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}
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